Home / 20,771,190.48-31,128,935.13-16,165,737.54

Finding the Fourth Proportional to 20,771,190.48, 31,128,935.13 and 16,165,737.54

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Solution

The fourth proportional to 20,771,190.48, 31,128,935.13 and 16,165,737.54 is: 24,226,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,190.48 : 31,128,935.13 = 16,165,737.54 : x
  2. Step 2: Convert to fraction form
    20,771,190.48/31,128,935.13 = 16,165,737.54/x
  3. Step 3: Cross multiply
    20,771,190.48x = 31,128,935.13 × 16,165,737.54
  4. Step 4: Simplify right side
    20,771,190.48x = 503,222,195,211,265.75
  5. Step 5: Solve for x
    x = 503,222,195,211,265.75/20,771,190.48
  6. Step 6: Final answer
    x = 24,226,930.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.